C++ (Cpp) nntp_folder_download_message Examples

Example #1

File: camel-nntp-folder.c Project: nobled/evolution-data-server.svn-import

static void
nntp_folder_cache_message (CamelDiscoFolder *disco_folder, const char *uid, CamelException *ex)
{
	CamelNNTPStore *nntp_store = (CamelNNTPStore *)((CamelFolder *) disco_folder)->parent_store;
	CamelStream *stream;
	char *article, *msgid;

	article = alloca(strlen(uid)+1);
	strcpy(article, uid);
	msgid = strchr(article, ',');
	if (!msgid) {
		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
				      _("Internal error: UID in invalid format: %s"), uid);
		return;
	}
	*msgid++ = 0;

	CAMEL_SERVICE_REC_LOCK(nntp_store, connect_lock);

	stream = nntp_folder_download_message ((CamelNNTPFolder *) disco_folder, article, msgid, ex);
	if (stream)
		camel_object_unref (stream);

	CAMEL_SERVICE_REC_UNLOCK(nntp_store, connect_lock);
}

Example #2

File: camel-nntp-folder.c Project: Oliver-Luo/evolution-data-server

static CamelMimeMessage *
nntp_folder_get_message_sync (CamelFolder *folder,
                              const gchar *uid,
                              GCancellable *cancellable,
                              GError **error)
{
	CamelStore *parent_store;
	CamelMimeMessage *message = NULL;
	CamelDataCache *nntp_cache;
	CamelNNTPStore *nntp_store;
	CamelFolderChangeInfo *changes;
	CamelNNTPFolder *nntp_folder;
	CamelStream *stream = NULL;
	GIOStream *base_stream;
	gchar *article, *msgid;
	gsize article_len;

	parent_store = camel_folder_get_parent_store (folder);

	nntp_folder = CAMEL_NNTP_FOLDER (folder);
	nntp_store = CAMEL_NNTP_STORE (parent_store);

	article_len = strlen (uid) + 1;
	article = alloca (article_len);
	g_strlcpy (article, uid, article_len);
	msgid = strchr (article, ',');
	if (msgid == NULL) {
		g_set_error (
			error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
			_("Internal error: UID in invalid format: %s"), uid);
		return NULL;
	}
	*msgid++ = 0;

	/* Lookup in cache, NEWS is global messageid's so use a global cache path */
	nntp_cache = camel_nntp_store_ref_cache (nntp_store);
	base_stream = camel_data_cache_get (nntp_cache, "cache", msgid, NULL);
	g_clear_object (&nntp_cache);

	if (base_stream != NULL) {
		stream = camel_stream_new (base_stream);
		g_object_unref (base_stream);
	} else {
		CamelServiceConnectionStatus connection_status;

		connection_status = camel_service_get_connection_status (
			CAMEL_SERVICE (parent_store));

		if (connection_status != CAMEL_SERVICE_CONNECTED) {
			g_set_error (
				error, CAMEL_SERVICE_ERROR,
				CAMEL_SERVICE_ERROR_UNAVAILABLE,
				_("This message is not currently available"));
			goto fail;
		}

		stream = nntp_folder_download_message (nntp_folder, article, msgid, cancellable, error);
		if (stream == NULL)
			goto fail;
	}

	message = camel_mime_message_new ();
	if (!camel_data_wrapper_construct_from_stream_sync ((CamelDataWrapper *) message, stream, cancellable, error)) {
		g_prefix_error (error, _("Cannot get message %s: "), uid);
		g_object_unref (message);
		message = NULL;
	}

	g_object_unref (stream);
fail:
	if (camel_folder_change_info_changed (nntp_folder->changes)) {
		changes = nntp_folder->changes;
		nntp_folder->changes = camel_folder_change_info_new ();
	} else {
		changes = NULL;
	}

	if (changes) {
		camel_folder_changed (folder, changes);
		camel_folder_change_info_free (changes);
	}

	return message;
}

Example #3

File: camel-nntp-folder.c Project: nobled/evolution-data-server.svn-import

static CamelMimeMessage *
nntp_folder_get_message (CamelFolder *folder, const char *uid, CamelException *ex)
{
	CamelMimeMessage *message = NULL;
	CamelNNTPStore *nntp_store;
	CamelFolderChangeInfo *changes;
	CamelNNTPFolder *nntp_folder;
	CamelStream *stream = NULL;
	char *article, *msgid;

	nntp_store = (CamelNNTPStore *) folder->parent_store;
	nntp_folder = (CamelNNTPFolder *) folder;

	article = alloca(strlen(uid)+1);
	strcpy(article, uid);
	msgid = strchr (article, ',');
	if (msgid == NULL) {
		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
				      _("Internal error: UID in invalid format: %s"), uid);
		return NULL;
	}
	*msgid++ = 0;

	CAMEL_SERVICE_REC_LOCK(nntp_store, connect_lock);

	/* Lookup in cache, NEWS is global messageid's so use a global cache path */
	stream = camel_data_cache_get (nntp_store->cache, "cache", msgid, NULL);
	if (stream == NULL) {
		if (camel_disco_store_status ((CamelDiscoStore *) nntp_store) == CAMEL_DISCO_STORE_OFFLINE) {
			camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
					     _("This message is not currently available"));
			goto fail;
		}

		stream = nntp_folder_download_message (nntp_folder, article, msgid, ex);
		if (stream == NULL)
			goto fail;
	}

	message = camel_mime_message_new ();
	if (camel_data_wrapper_construct_from_stream ((CamelDataWrapper *) message, stream) == -1) {
		if (errno == EINTR)
			camel_exception_setv (ex, CAMEL_EXCEPTION_USER_CANCEL, _("User canceled"));
		else
			camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot get message %s: %s"), uid, g_strerror (errno));
		camel_object_unref(message);
		message = NULL;
	}

	camel_object_unref (stream);
fail:
	if (camel_folder_change_info_changed (nntp_folder->changes)) {
		changes = nntp_folder->changes;
		nntp_folder->changes = camel_folder_change_info_new ();
	} else {
		changes = NULL;
	}

	CAMEL_SERVICE_REC_UNLOCK(nntp_store, connect_lock);

	if (changes) {
		camel_object_trigger_event ((CamelObject *) folder, "folder_changed", changes);
		camel_folder_change_info_free (changes);
	}

	return message;
}